Infants' repetition of certain syllables at the age of about 6 or 7 months is called

Jealousy can be contrasted with ________, a related emotion distinguished by feelings of disapproval

a. motivation b. depression c. envy d. distrust

Children who are expert in an area

A) are usually highly motivated. B) acquire knowledge slowly, but accurately. C) know the information inherently, without prior experience. D) have difficulty organizing information.